Home / 3,870,579.60-5,341,723.02-2,151,860.04

Finding the Fourth Proportional to 3,870,579.60, 5,341,723.02 and 2,151,860.04

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Solution

The fourth proportional to 3,870,579.60, 5,341,723.02 and 2,151,860.04 is: 2,969,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,579.60 : 5,341,723.02 = 2,151,860.04 : x
  2. Step 2: Convert to fraction form
    3,870,579.60/5,341,723.02 = 2,151,860.04/x
  3. Step 3: Cross multiply
    3,870,579.60x = 5,341,723.02 × 2,151,860.04
  4. Step 4: Simplify right side
    3,870,579.60x = 11,494,640,311,486.12
  5. Step 5: Solve for x
    x = 11,494,640,311,486.12/3,870,579.60
  6. Step 6: Final answer
    x = 2,969,746.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.